package com.itheima.reggie.service.Impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.CustomerException;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.mapper.CategoryMapper;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;


@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> implements CategoryService {
   @Autowired
   public DishService dishService;
    @Autowired
    public SetmealService setmealService;
    @Override
    public void remove(Long id) {

        QueryWrapper<Dish> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("category_id",id);
        int count = dishService.count(queryWrapper);
        if (count>0){
            throw new CustomerException("当前分类下关联了菜品，不能删除");
        }
        QueryWrapper<Setmeal> queryWrapper1 = new QueryWrapper<>();
        queryWrapper1.eq("category_id",id);
        int count1 = setmealService.count(queryWrapper1);
        if (count1>0){
            throw new CustomerException("当前分类下关联了套餐，不能删除");
        }
        this.removeById(id);
    }
}
